Welcome to Sound Deadening

Hi there! My name is Eduardo, I'm a car enthusiast from Portugal who loves silence. In this website you can check my sound deadening projects with pictures, videos, how-tos and some product reviews. Enjoy!

Current project: Opel Ampera

Boot and floor under the rear seats

The boot (or trunk) is the noisiest area in a car, especially in an hatchback like the Ampera. So I added Dynamat Extreme, Dodo Super Liner and Dodo Barrier MLV for a 1dB noise reduction.

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	Idle	80 km/h	120 km/h
Factory	29 dB	59 dB	63 dB
Current	28.5 dB	57 dB	60 dB

Approximate weight added: 18.8 kg

The Cars

Opel Ampera

Citroën C6

Peugeot 406 Coupé